Lucy’s been living in the States for fifteen years, but seldom ______ so lonely as now.
A. has she felt B. she had felt C. she has felt D. had she felt
怎样学好牛津英语系列答案科目：高中英语 来源：2012年普通高等学校招生全国统一考试上海卷英语 题型：051
Directions：Read the passage carefully．Then answer the questions or complete the statements in the fewest possible words．
An African-bom British scientist received an environment research prize at the Convention on Migratory Species(CMS)meeting for showing how bees can be used to reduce conflict between people and elephants．Lucy King's work proved that beehive "fences"(蜂箱"栅栏")can keep elephants out of African farmers' fields．The animals are scared of bees, which can bite them inside their long noses, and flee when they hear buzzing(蜂鸣声)．
Dr King's work offers an intelligent solution to an age-old challenge, while providingfurther confirmation of the importance of bees to people and a really clever way of preserving the world's largest land animal for current and future generations．Working in Kenya, Dr King and her team showed that more than 90％of elephants will flee when they hear the sounds of buzzing bees．Afterwards, they also found that elephants produce a special sound to warn their fellows of the danger．They used the findings to construct barriers where beehives are woven into a fence, keeping the elephants away from places where people live and grow food．
A two-year project involving 34 farms showed that elephants trying to go through the fences would shake them, disturbing the bees．Later, the fences were adopted by farming communities in three Kenyan districts－who also made increased amounts of money from selling honey．"Dr Lucy King has designed a constructive solution that considers the needs of animals but also the economic benefits to the local communities linked to species preservation," said CMS executive secretary Elizabeth Maruma Mrema．
As Africa's population grows, competition for space between people and elephants is becoming more serious, and there are fatalities on both sides．The same is true in parts of Asia．Sri Lanka alone sees the deaths of all estimated 60 people and 200 elephants each year from conflict．
Working with the charity Save the Elephants, Lucy King now wants to see whether the Kenyan technique will work in other parts of Africa－and perhaps, eventually, in Asia．"With Asia, there are some issues we'd have to look at－it's a totally different elephant species, the bee species are different, it rains a lot more, we have animals like bears that love honey－but I'd be very interested in sharing my research with anyone with experience in Asia to see whether it could work there," she said．
(Note：Answer the questions or complete the statements in NO MORE THAN TEN WORDS．)
1．Lucy King's research shows that by using bees, ________ can be reduced．
2．How do most elephants in Kenya respond to the sounds of buzzing bees?
3．Dr．King's work is regarded as a constructive solution, for it considers ________．
4．What four issues should be thought about in the application of Lucy King's findings in Asia?
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